NetLabel: the CIPSOv4 passthrough mapping does not pass categories correctly
The CIPSO passthrough mapping had a problem when sending categories which would cause no or incorrect categories to be sent on the wire with a packet. This patch fixes the problem which was a simple off-by-one bug. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
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@ -832,8 +832,8 @@ static int cipso_v4_map_cat_rbm_hton(const struct cipso_v4_doi *doi_def,
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switch (doi_def->type) {
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case CIPSO_V4_MAP_PASS:
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net_spot_max = host_cat_len - 1;
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while (net_spot_max > 0 && host_cat[net_spot_max] == 0)
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net_spot_max = host_cat_len;
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while (net_spot_max > 0 && host_cat[net_spot_max - 1] == 0)
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net_spot_max--;
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if (net_spot_max > net_cat_len)
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return -EINVAL;
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